Dropping & Separating Funnels
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  1. PTFE key, graduated with cone
    PTFE key, graduated with cone
    These cylindrical dropping funnels are graduated with a double scale showing the volume of liquid contained in the funnel or dispensed.
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  2. PTFE key, stem with cone
    PTFE key, stem with cone
    Fitted with both ground socket and cone joints, these dropping funnels now have a PTFE stopcock key, instead of the old glass key.
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  3. PTFE key, graduated
    PTFE key, graduated
    These Pyrex® dropping funnels are now fitted with an interchangeable PTFE stopcock key and are supplied with both a glass and polyethylene stopper.
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  4. Rotaflo® stopcock, stem with cone
    Rotaflo® stopcock, stem with cone
    Fitted with both ground socket and cone joints, these dropping funnels use a Rotaflo® General Purpose PTFE stopcock assembly for fine control of the liquid flow.
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  5. Rotaflo® stopcock, open top
    Rotaflo® stopcock, open top
    The open top of these dropping funnels allow the easy addition of solutions to the funnel and make them ideal for use as reservoirs for the Quickfit® chromatography columns.
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  6. Pressure equalising, Rotaflo® stopcock
    Pressure equalising, Rotaflo® stopcock
    These pear shape funnels are intended for use when liquids have to be introduced into a vessel under vacuum.
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  7. Pressure equalising, PTFE key
    Pressure equalising, PTFE key
    Although branded Pyrex®, these double graduated pressure equalising funnels are fitted with a ground socket and cone joint for connection to Quickfit® assemblies.
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  8. Conical, PTFE key, polyethylene and glass stoppers
    Conical, PTFE key, polyethylene and glass stoppers
    Complying with the requirements of ISO 4800, type 1, these conical shape separating funnels are now supplied with a interchangeable PTFE stopcock, replacing the old glass keys.
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  9. Gilson, PTFE key
    Gilson, PTFE key
    The long delivery stem on these separating funnels make in easier to discern the point at which the two liquids interface, making easier to control the separation of the liquids.
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The features and benefits of using our Funnels

All Pyrex® conical, pear-shape and Gilson style separating funnels are now supplied with an interchangeable PTFE stopcock key and both a glass and polyethylene (PE) stopper. Pyrex® cylindrical dropping funnels have a double graduated scale, showing the volume of liquid contained and delivered, and are also supplied with PTFE stopcock keys and most have both a glass and polyethylene (PE) stopper. Quickfit® pear-shape separating funnels and dropping funnels are supplied with either a traditional type PTFE stopcock key or a Rotaflo® General Purpose PTFE needle valve stopcock. Most Quickfit® separating and dropping funnels also feature a ground glass cone on the funnel stem to allow easy connection to other Quickfit® products, such as flasks. All conical and pear-shape separating funnels and cylindrical dropping funnels comply with ISO 4800.

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